plz do all
Posted: Sat Jul 02, 2022 8:44 pm
plz do all
Heating Curve Calculations Worksheet Use the data for methanol (CH3OH) shown in the table below to answer the following questions. For the calculation problems, be sure to show your work. boiling point 65 °C melting point AHvap AHfus Cp (1) Cp (g) Cp (S) -94 °C 37.0 kJ/mol 3.18 kJ/mol 2.84 J/g °C 1.37 J/g °C 1.52 J/g °C 1. Sketch a heating curve starting at -101°C and going up to 80.0°C.
1. Sketch a heating curve starting at -101°C and going up to 80.0°C. I 2. How much heat is needed to melt 15.0 g of methanol? Assume the substance is at the melting point.
3. How much heat is needed to boil 15.0 g of methanol? Assume the substance is at the boiling point. 4. Calculate the amount of heat needed to raise 15.0 g methanol from -101 °C to -94.0 "C. I 5. Calculate the amount of heat needed to raise 15.0 g methanol from 15.0 °C to 60.0 °C. 6. Calculate the amount of heat needed to raise 15.0 g methanol from 60.0 °C to 95.0 °C. 7. Calculate the amount of heat needed to raise 15.0 g methanol from -101 °C to 85.0 °C.
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1. Sketch a heating curve starting at -101°C and going up to 80.0°C. I 2. How much heat is needed to melt 15.0 g of methanol? Assume the substance is at the melting point.
3. How much heat is needed to boil 15.0 g of methanol? Assume the substance is at the boiling point. 4. Calculate the amount of heat needed to raise 15.0 g methanol from -101 °C to -94.0 "C. I 5. Calculate the amount of heat needed to raise 15.0 g methanol from 15.0 °C to 60.0 °C. 6. Calculate the amount of heat needed to raise 15.0 g methanol from 60.0 °C to 95.0 °C. 7. Calculate the amount of heat needed to raise 15.0 g methanol from -101 °C to 85.0 °C.